Oakland put a cap on the best offseason of any NFL team. Cardinals general manager Steve Keim showed his masterful nature in yet another draft. Ravens GM Ozzie Newsome did the same. The Eagles drafted a franchise quarterback. And the Patriots picked really good players, despite not having a first-round pick.

But after you sort through the headlines, which teams did the most to improve themselves in Chicago?

Glad you asked.

Here's our Schein Nine on the rosters that received the biggest boost from the prospect pool.

I felt terrible for Jack as he sank out of the first round, presumably because of concerns about his surgically repaired knee and long-term health. I'm not a doctor, but frankly, I think teams panicked after Jack openly talked about the potential of one day having microfracture surgery prior to the draft. The UCLA product is a stud who can play all three linebacker spots and even safety. He's special. He's unique.

And I know Jerry Jones is regretting not mortgaging the farm to draft quarterback Paxton Lynch. But I like the decision, as much as I love Lynch for Denver, which ultimately ended up with him. Dallas went on to do a nice job improving the backup quarterback spot and finding someone to develop for the future in the underrated Dak Prescott (Round 4, No. 135 overall).

I was over the moon for the Texans' draft, which made me feel even better about my way-too-early prediction that Houston will meet the New England Patriots in the AFC title game.

In March, the Texans smartly signed quarterback Brock Osweiler; at the draft, the Texans smartly aidedBrock Osweiler. Receiver Will Fuller (No. 21 overall) is a speed demon and a perfect complement to DeAndre Hopkins. I was kind of obsessed with the selection of QB-turned-wideout Braxton Miller in Round 3 (No. 85 overall). I think Miller will become what Percy Harvin could have been but never really was in the NFL. Tyler Ervin (Round 4, No. 119 overall) is a nice back out of the backfield. Oh, and second-round pick Nick Martin (No. 50 overall) can play instantly and serve as a long-time fixture on the offensive line.

Add these players to Osweiler, Hopkins and free-agent addition Lamar Miller, and you suddenly have to account for the talent and speed of the Texans' offense.

The circumstances were not ideal for Laremy Tunsil as he plummeted in the first round, but the tackle landed in a great place, with a coach in Adam Gase who needs him. Tunsil was the best non-QB in the draft, and the Dolphins snagged him at No. 13 overall. That's value.

Mike Tannenbaum and Co. then plucked three players who will contribute right away for a team coming off a 6-10 season in corner Xavien Howard (Round 2, No. 38 overall), running back Kenyan Drake (Round 3, No. 73) and receiver Leonte Carroo (Round 3, No. 86).

In four previous drafts, Colts GM Ryan Grigson had selected just three offensive linemen in Round 4 or earlier. Is it any coincidence Andrew Luck has been sacked 115 times in that span? Well, this weekend, Grigson did the right thing and drafted on the offensive line to help Luck. What a concept!

In Round 1 (18th overall), Grigson picked the exact player I had targeted for the Colts in Alabama center Ryan Kelly. He can easily be a future star and an instant-impact performer. And Grigson didn't stop there; yes, he added three more offensive linemen in Rounds 3 (Le'Raven Clark, No. 82 overall), 5 (Joe Haeg, No. 155 overall) and 7 (Austin Blythe, No. 248)!

I really liked the Bills' draft. After leading the NFL with 54 sacks in 2014, Buffalo sputtered to 21 sacks (31st) in 2015, so it made sense to take defensive end Shaq Lawson 19th overall heading into Rex Ryan's second season at the helm. The Clemson product can get to the quarterback instantly. Buffalo then stole a starting linebacker in Round 2 by getting Reggie Ragland (No. 41 overall).

The Lions appear to finally have a real football person making football decisions -- and what a difference it makes. New GM Bob Quinn had a very strong nuts-and-bolts draft that deserves to be celebrated.

Tackle Taylor Decker (No. 16 overall) was a great pick in the middle of the first round to shore up the offensive line. I was floored that defensive tackle A'Shawn Robinson was still around for the Lions to pilfer in Round 2 (No. 46 overall). Quinn put an emphasis on the talent in the trenches, using five of his 10 picks on offensive and defensive linemen, for a team that ranked 32nd in rushing offense and 19th in run defense in 2015, and I loved it.

Scot McCloughan is such a wonderful general manager who is so thoughtful and prepared when it comes to the draft. Washington's draft wasn't flashy, but it filled key needs at receiver (Josh Doctson, No. 22 overall), backup quarterback (Nate Sudfeld, Round 6, No. 187 overall), corner (Kendall Fuller, Round 3, No. 84 overall) and in the front seven on defense (Su'a Cravens, Round 2, No. 53 overall). Redskins fans have to be excited to finally have a legit GM working in concert with the head coach and everyone in the organization on the same page.